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Join the expert discussion on chemistry. Chemistry is the study of the nature, properties, and composition of matter. Biochemistry, Organic, Inorganic, Analytical are topics that may be discussed.
Convert mg/s to SCCM (Standard Cubic Centimeters per Minute)
  • jagadeeshr
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Do Different Temperatures Affect Enzyme Activity in a Parabolic Arrhenius Plot?
  • Tymothee Waldner
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How to test for a purity of a chemical compound
  • brajesh
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[Quantum Chemistry] Generalized wave function in covalent bonding
  • Mayhem
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My first time mixing Kroll's reagent
  • Jodo
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Are Electrons Transferring Energy in Hybridisation Orbitals?
  • robynmc
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About oxidation and reduction in organic Chemistry
  • samy4408
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Can vinegar effectively remove residual oils from surfaces and objects?
  • DaveE
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Please help me understand the LC/MS procedure in the lab
  • Fig Neutron
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What Do Flame Tests Reveal About Sodium and Chloride?
  • PainterGuy
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Neutralize chloramines in tap water
  • watersplit
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Chemical plant design and construction
  • akerkarprashant
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What are the Potential Results of Mixing Different Alkanes?
  • akerkarprashant
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Can I Use a 6V Battery for Electrolysis?
  • moriah
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Is Distillation the Best Method for Purifying Water?
  • watersplit
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Can a Vortex Effectively Purify Water by Utilizing Gravity?
  • watersplit
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Valence of the Lanthanides and Actinides
  • Thytanium
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Safety of plastic spoons, etc. below their advised maximum temperature?
  • kenny1999
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What Are Some Recommended Websites for Learning About Chemistry?
  • ryokan
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In Medieval Africa, A Unique Process for Purifying Gold With Glass
  • Astronuc
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How Do Cashews Cause Fabric Discoloration?
  • Darkmisc
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Gallium Alloys and their melting points?
  • some bloke
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The shielding effect and effective nuclear charge
  • Huzaifa
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Spiking drinks -- how about straws to detect when a drink is spiked?
  • saretta9999
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Why does combining Hydrogen, Oxygen and Sulphur produce a liquid?
  • BenDover
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How Do Acid-Base Equilibria Work?
  • Huzaifa
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What is the role of surface interactions in the stability of microemulsions?
  • Dario56
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Is K41 more valuable than other isotopes of potassium?
  • ProjectFringe
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Deriving the Henderson-Hasselbalch equation
  • Huzaifa
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Using matrices to balance chemical equations
  • barryj
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What Occurs When Copper is Completely Deposited in Copper Sulfate Electrolysis?
  • BenDover
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Aluminum mystery -- Questions about elecrolysis in water
  • BenDover
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I want to learn about the Mesomeric effect
  • samy4408
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What does it mean by PC in this article?
  • user366312
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Biotechnology Student from Germany Needs Help Analyzing NMR Spectrum
  • Sippi7299
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Balancing Chemical Equations - Is RHS=LHS true always?
  • akerkarprashant
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How is the current density solved for in an electrolyzer unit?
  • Shan43
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Oxygen gas produced by a Solid element + sodium hydroxide solution?
  • BenDover
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Very High Standard Deviation in Excitation Emission Matrix Measurement
  • JonasFnr
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Some coffees clog the coffee filter -- Why or how?
  • symbolipoint
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Could microfiber cloth be toxic?
  • kenny1999
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Why/how does filter paper block/trap coffee oils?
  • The Bill
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Why does air smell different after using a CPAP machine?
  • DaveC426913
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Problems in Copper and Zinc Electroplating
  • hojess02
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Extracting carbohydrates from food dissolved in hydrochloric acid
  • bobdavis
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How many atoms are in a given mass of metal?
  • Jetstream
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Is Sodium Fluoride a Silent Killer?
  • swampwiz
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Can "Secret" Food Recipe Formulas Not Be Reverse Engineered?
  • kyphysics
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Nomenclature of organic compounds
  • Vernii
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Finding Help with Computational Chemistry on PF
  • EL AALLAOUI Najla
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What exactly happens during a phase change?
  • Iwanttolearnphysics
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Identification test for Rochelle Salt?
  • mishima
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Which ether solvant must we ban when making grignard reagents?
  • duchuy
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Ethanol (Alcohol) 75% and isopropyl alcohol (75%) - any difference?
  • kenny1999
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Can nitrous oxide be made from air?
  • Stormer
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Radioactive decay - the difference between "lambda" and "k"
  • wolf1728
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Why is Potassium Nitride (K3N) unstable?
  • ProjectFringe
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Make a Food-Safe Silicone Mold from 3D Printed Object
  • LightningInAJar
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Can ABS Plastic Be Safely Broken Down for Recycling?
  • LightningInAJar
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Understanding Monomer Connections: Where Non-Chemists Can Look
  • ragnarokas
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Is the molecular formula for sugar correct?
  • akerkarprashant
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Is someone out here able to help me name these compounds?
  • almar_96
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Radioluminescence and differing zinc sulfide preparations?
  • Positronix
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What exactly is negative adsorption?
  • Kaushik
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Mono-esterify a mono-phosphate salt group to a carboxylic acid
  • Alexander Roschinkov
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Understanding MAL of Cadmium in Soft Water
  • AnandLeo
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Revolutionizing Chemistry: The 2021 Nobel Prize in Asymmetric Organocatalysis
  • TeethWhitener
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Molecules with an extended π system well described by resonance hybrid
  • Huzaifa
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How Do Configurational and Conformational Entropy Differ in Protein Folding?
  • EFech
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Owens - Wendt Model for Surface Energy of Solid - Liquid Interface
  • Dario56
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Chemical inhibitions of radioactive elements
  • Mayhem
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Which diagram of water molecules is correct?
  • lioric
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What's the derivation of the 'Kinetic Equation' in Chemical kinetics?
  • Ale_Rodo
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Liming Lakes: A Solution for Acidification?
  • StarChem
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What is the difference in cooking oil before and after frying heavily?
  • abdulbadii
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Different volatilities in ideal solutions?
  • SilverSoldier
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How do I calculate the pH of slime and its effect on viscosity?
  • irumi
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Approximations in Chemical Equilibrium (add a weak acid HA into pure water)
  • SilverSoldier
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How Perfume Works: A Mysterious Phenomenon
  • kenny1999
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Can some liquid hand soaps smudge your eyeglass lenses?
  • 12john
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Vaporization Heat and the Heat Capacity of H20 comparison
  • StarChem
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What is the percentage of elements in a compound?
  • Positronix
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Photocatalytic oxidation over TiO2
  • pirupiru
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Why Do Atoms Need to Have Free Electrons to Create Covalent Bonds?
  • Dario56
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Could microplastics be leached when a plastic bottle is hit?
  • kenny1999
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Why does Cu2+ react with I- to give CuI?
  • phantomvommand
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Smoothing 3d prints with acetone
  • theycallmevirgo
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Calculating Energy Released by Sodium Reacting with Water
  • xpell
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What to do with 1 year+ expired bleach?
  • kyphysics
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Reaction between marquis reagent and ibuprofen?
  • dckemp1999
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Definition of Absolute Electrode Potential
  • Dario56
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Iron Oxidation States: Fe+2, Fe+3 & Fe- Explained
  • ProjectFringe
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Optimizing Hydrogen Combustion Catalysts for Efficient Stove Design
  • seandepagnier
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Can Na2PdCl4 be used as a substitute for PdCl2 in electroless copper plating?
  • minerva
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Sealants without Methyl Ethyl Ketoxime
  • Cobul
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Why Doesn't Calcium Form CaN2?
  • ProjectFringe
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Internal Resistance of the Battery - Ohmic Resistance
  • Dario56
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Someone stole an argon cylinder today
  • ProfuselyQuarky
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Can Customs X-Rays Detect Toxic Chemicals?
  • kenny1999
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Polar Covalent Bond in HCl question
  • ProjectFringe
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